The Supernatural Handbook is a sourcebook of heroic horror for the Mutants & Masterminds Superhero Roleplaying Game. It lays out the elements for a successful M&M game in which the strange and paranormal are true and a few lone heroes struggle against the "Things That Go Bump in the Night". The Supernatural Handbook includes detailed information on character creation, hero and villain archetypes, horror-themed series, and adventure design, and a complete system for building your own supernatural menaces for your heroes to hunt (or to hunt them...). It also introduces the organization ARCADE (American Research Center for the Arcane Defense of Earth) and its agents, who wage a secret war every night. Join the fight against ancient evils and occult menaces with The Supernatural Handbook!